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A circle with circumference 20 has an arc with a 72 degrees central angle. What is the length of the arc?

A circle with circumference 20 has an arc with a 72 degrees central angle. What is the length of the arc?
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1 vote
A circle with circumference 20 has an arc with a 72 degrees central angle. What is the length of the arc?

asked
User Uriahs Victor
by
9.1k points

1 Answer

4 votes

Explanation:

Length of arc


= ( \theta)/(360 \degree) * c \\ \\ = (72 \degree)/(360 \degree) * 20\\ \\ = (1)/(5) * 20 \\ \\ = 4 \: units \\

answered
User Vasyl Zvarydchuk
by
8.5k points
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